diff --git a/src/html_to_md/transformer.clj b/src/html_to_md/transformer.clj
index 5933b3c..445aba5 100644
--- a/src/html_to_md/transformer.clj
+++ b/src/html_to_md/transformer.clj
@@ -93,6 +93,4 @@
         (if url (transform url dispatcher)
             ;; otherwise, if s is not a URL, consider it as an HTML fragment,
             ;; parse and process it
-            (process (tagsoup/parser (java.io.StringReader s)) dispatcher)
-            )))
-
+            (process (tagsoup/parser (java.io.StringReader. s)) dispatcher))))
diff --git a/test/html_to_md/transformer_test.clj b/test/html_to_md/transformer_test.clj
new file mode 100644
index 0000000..48369a4
--- /dev/null
+++ b/test/html_to_md/transformer_test.clj
@@ -0,0 +1,10 @@
+(ns html-to-md.transformer-test
+  (:require
+   [clojure.test :as t :refer [deftest is testing]]
+   [html-to-md.html-to-md :refer [markdown-dispatcher]]
+   [html-to-md.transformer :refer [transform]]))
+
+(deftest transform-payload
+  (testing "String `obj` for: 3. A string representation of an (X)HTML fragment;"
+    (is (= '("\n# This is a header\n")
+           (transform "<h1>This is a header</h1>" markdown-dispatcher)))))